First Interstate BancSystem, Inc. Announces First Quarter Earnings Release and Conference Call

BILLINGS, Mont., April 15 /PRNewswire-FirstCall/ -- First Interstate BancSystem, Inc. (Nasdaq: FIBK), parent company of First Interstate Bank, will report first quarter financial results after the market closes on April 22, 2010.  A conference call for investors is scheduled for Friday, April 23, 2010 at 1:00p.m. Eastern Time (11:00a.m. MDT), during which the Company will discuss first quarter 2010 results.  There will be a question and answer session following the presentation.

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The conference call will be accessible by telephone and through the Internet. Interested individuals are invited to join the call by dialing 1-800-860-2442 fifteen minutes prior to the conference time. The conference ID is 439763.  To participate in the webcast, log on to http://www.talkpoint.com/viewer/starthere.asp?Pres=130629.  A rebroadcast will be available approximately one hour after the end of the conference call by dialing 1-877-344-7529. The call will also be archived on our Web site, www.firstinterstatebank.com.

First Interstate BancSystem, Inc. is the parent company of First Interstate Bank, a community bank with 72 offices throughout Montana, Wyoming and western South Dakota.

SOURCE First Interstate BancSystem, Inc.